{"version":"1.0","provider_name":"Blog","provider_url":"https:\/\/elementor.com\/blog","author_name":"Itamar Haim","author_url":"https:\/\/elementor.com\/blog\/author\/itamarha\/","title":"What is SMTP? [year] A Complete Guide to Email Sending","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"2Ujp7SmoQS\"><a href=\"https:\/\/elementor.com\/blog\/smtp\/\">What is SMTP? 2026 A Complete Guide to Email Sending<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/elementor.com\/blog\/smtp\/embed\/#?secret=2Ujp7SmoQS\" width=\"600\" height=\"338\" title=\"&#8220;What is SMTP? 2026 A Complete Guide to Email Sending&#8221; &#8212; Blog\" data-secret=\"2Ujp7SmoQS\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script>\n\/*! This file is auto-generated *\/\n!function(d,l){\"use strict\";l.querySelector&&d.addEventListener&&\"undefined\"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),o=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),c=new RegExp(\"^https?:$\",\"i\"),i=0;i<o.length;i++)o[i].style.display=\"none\";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute(\"style\"),\"height\"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):\"link\"===t.message&&(r=new URL(s.getAttribute(\"src\")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",function(){for(var e,t,s=l.querySelectorAll(\"iframe.wp-embedded-content\"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute(\"data-secret\"))||(t=Math.random().toString(36).substring(2,12),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t)),e.contentWindow.postMessage({message:\"ready\",secret:t},\"*\")},!1)))}(window,document);\n\/\/# sourceURL=https:\/\/elementor.com\/blog\/wp-includes\/js\/wp-embed.min.js\n<\/script>\n","thumbnail_url":"https:\/\/elementor.com\/blog\/wp-content\/uploads\/2021\/10\/23.9.21-ways-to-increase-email-signups_green.jpg","thumbnail_width":1200,"thumbnail_height":630,"description":"SMTP (Simple Mail Transfer Protocol) is the standard for sending emails across the internet. This comprehensive guide dives deep in SMTP. It will cover everything from basic commands and error codes to security, troubleshooting, and modern alternatives for website owners."}